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PTB News 2013.3

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PTB-News 3/2013, English edition, Issue February 2014, ISSN 1611-163X
The PTBnews are the science newsletter of the Physikalisch-Technische Bundesanstalt (PTB). They are aimed at PTB‘s cooperation partners in the economy and science as well as anyone else
who is interested. The PTBnews are published three times each year in a German as well as in an English edition and can be subscribed to free of charge.
Subscription form: www.ptb.de > Publications > PTB-news > scroll down to contact form html and pdf versions: www.ptb.de > Publications > PTB-news
Publisher: Physikalisch-Technische Bundesanstalt (PTB), Braunschweig und Berlin
Editors: Andreas Barthel, Ludger Koenders, Christian Lisdat, Dirk Ratschko, Mathias Richter, Hansjörg Scherer, Erika Schow, Florian Schubert, Jens Simon (responsible)
Layout: Volker Großmann, Alberto Parra del Riego (concept)
Translation: Cécile Charvieux (PTB-Sprachendienst/PTB Translation Office)
Editorial Office: Press and Information Office, PTB, Bundesallee 100, D-38116 Braunschweig, phone +49 (0)531 592-3005, fax +49 (0)531 592-3008, e-mail: ptbnews(at)ptb.de